THESE ARE OPINIONS BASED ON EXPERIENCE
These are people who have proven their value, honesty, and integrity over and over in this industry.

We believe you deserve insight, reliability, and fairness in your choice of maintenance providers, troubleshooting geniuses, and testers.  These are people you can go to without worry.  In our experience, these are the pros you will wish you had met sooner.

COMPUTERS, SOFTWARE, NETWORKING, CAMERAS, AND SO FORTH
These are the best IT professionals with whom we have worked.

1. Greg Miller is well-known as The Computer Guy.  Greg can seemingly fix anything.  The word is that in high school, Greg fabricated a small block Chevy into a very clean and tiny Chevy Vega.  Greg was a master craftsman in the Southern California custom home industry.  In Japan, some, demanding excellence and seeking the best, flew Greg across the most significant thing on Earth (the Pacific Ocean) to fix or fabricate homes.  This guy is a mechanical genius who started working on PCs in the late 80s, so he brings brains, experience, and integrity to every working relationship.  He is also one of the best people we have ever met.  His ethics are perfect.  His clients range from retired people in the neighborhood to accountants to churches and banks to the largest truck stops.  Greg is the best and his prices are fair.
   
2. Will Sawyer is a terrific choice as well.  Will, like Greg, is a person with success in many interests and skills.  We have worked with Will on-site, and he is serious, focused, intelligent, fair, and gets the work done as you want it done.  We like recommending Will because he's the kind of pro who makes everyone look good.  Will is a nice guy doing excellent work for a fair price.
   

TESTING, MAINTENANCE, CONSTRUCTION, TROUBLESHOOTING, ALARMS, AND THE REST
These are the companies that have never let us down.  You deserve a testing company that has built a solid foundation of integrity over the decades.  In our opinion, these are the companies you are looking for.

1. The best testing and maintenance company in Los Angeles and north of LA Coastal is RJ Meyers & Company out of Camarillo.  This intelligent, hard-working, and experienced group is excellent with everything; paperwork is always on time, work is done right the first time, and some of the most essential businesses in Southern California trust RJ Myers. These guys even fabricate their own custom tooling!  They have a perfect track record with us.  We particularly like Butch, Jason, and Ken in the field.  This team is also exceptionally skilled with complex problems like impossibly clever dispenser thieves.  
   
2. The best testing and maintenance company in the San Gabriel Valley and Inland Empire is Clean Air Testing out of Glendora.  This group is also intelligent, hard-working, experienced, and their clients love them. 
   
3. The best testing and maintenance company in Orange County and San Diego is Orange County Tank Testing, Inc, out of Anaheim. They are another company loved by their clients.  This straight-shooting group is 100% dependable.  They are friendly, intelligent, serious, and experienced technicians who treat you properly.  We particularly like working with Tony Jones.  Tony is a real legend!
4. The High Desert's best testing and maintenance company is R&C Compliance Management Services out of Oak Hills.  We have worked with R&C to fix problematic sites, and they cleaned it up! 
   

NOTE:

1. These companies, like DUSTO, all have dedicated office staff to support you. 
2. These companies excel at the paperwork maze game of Compliance
3. These companies understand that there are always two clients in their work: the site owner and the agency/inspector. 
4. Also, and very important, all work outside the regions where they are based.

LIGHT MAINTENANCE, TROUBLE-SHOOTING, ALARMS, CALIBRATIONS, AND MORE ON THAT LEVEL BUT NO TESTING OR HEAVY CONSTRUCTION
If you are looking for expertise with alarms and drive-offs and maintenance and want a company to be onsite fast, treat you with respect, honesty and fairness, get the work done ASAP without any drama or excuses, plus possess outstanding troubleshooting knowledge, then this is the company we recommend.  There are others, but if we owned a station, this would be our Technician because he has proven worthy again and again.

1. The best company in Southern California for light maintenance, alarms, calibrations, and work on that level is Robert Zerby at Mission Service and Parts out of Yorba Linda.  He is experienced, knowledgeable, dedicated, trustworthy, and he served an apprenticeship long ago with one of the best.  He knows gas stations exceptionally well, partly because he has a qualification no one else on this list does.  He owns a gas station!  Robert is fair, fast to your site, has excellent ethics (he will be forthright with you about everything), and like everyone else on this list, Robert is someone you can trust.  When we are asked questions about complex, obscure, or very technical aspects of this industry, Robert is one of the first two people we go to for answers.  Robert's clients enjoy working with him because he always seems to be the first to know about price increases at the manufacturers, and he tells his clients so they can buy hoses and filters at whatnot before prices go up!